TWM616441U - Composite filter element structure - Google Patents

Abstract

The new type belongs to the field of water purification, and particularly relates to the structure of a composite filter element, which includes a filter bottle, a pretreatment module, a fine filter module, a post-filter module and a filter bottle cap. The fine filter module and the post filter module are tightly installed in the filter bottle to form a water flow channel in a specific direction. The effect of filtering only when pure water is needed, thereby protecting the fine filter module, reducing the frequency of replacement of the filter element, reducing the use cost of consumers, and saving social resources.

Description

The structure of the composite filter element

The model belongs to the field of water purifiers, and specifically relates to the structure of a composite filter element.

As water purification equipment enters thousands of households, the efficient utilization of water purification equipment has also become a problem that various manufacturers are competing to solve. As the main component of water purification equipment, filter elements have a relatively large proportion of R&D investment. The main filter element in the filter element is a fine filter element, which is mainly classified into RO membrane filter element, ultrafiltration membrane filter element, etc., such as long-term use of fine filtration often reduces the filtration effect of the membrane, so the use of fine filter elements in the market And the protection is lacking, so that when the user uses the water purification equipment, the frequency of replacing the filter element is also relatively high.

The technical problem to be solved by the present invention is to enable the composite filter element to discharge a variety of filtered water, reduce the occupancy rate of the fine filter module, and reduce the replacement frequency of the composite filter element.

To this end, the technical solution adopted by the present invention is as follows: a composite filter element structure, including a filter bottle, a pretreatment module, a fine filter module, a post filter module and a filter bottle cap, the filter bottle is provided with a raw water inlet , Domestic water outlet, domestic water inlet, pure water outlet and waste water outlet, the filter bottle is provided with a pretreatment module, a fine filter module and a post filter module, the filter bottle cap tightly matches the three filter modules Sealed in the filter bottle, the raw water is filtered from the raw water inlet through the pretreatment module, and then discharged from the domestic water outlet. The domestic water enters the fine filter module from the domestic water inlet and the filtered water produced after filtration is filtered through the post-filter module. It is discharged through the pure water outlet, and the waste water generated in the filtration process is discharged through the waste water outlet.

Preferably, the pretreatment module is composed of a front end cover, a pretreatment filter material and a front bottom cover which are connected in sequence. The front end cover is connected to the inside of the filter bottle in a sealed manner. The inside of the bottle is hermetically connected, the outside of the pretreatment filter material and the inside of the filter bottle form a raw water channel, and the inside of the pretreatment filter material and the outside of the front bottom cover form a life water outlet channel.

Preferably, the rear filter module is composed of a rear end cover, a rear filter material, and a rear filter material bottom cover. The rear filter material has a hollow structure and is placed in the inner cavity of the rear filter material bottom cover. The end cap is sealed and connected, a pure water channel is formed between the outer side and the inner side of the rear filter material bottom cover, the rear end cover and the upper end surface of the rear filter material bottom cover form a gap, and the upper outside of the rear filter material bottom cover and the inner side of the filter bottle Sealed connection, the lower part is sealed with the water collection center pipe of the fine filter module.

Preferably, the fine filter module is composed of a fine filter material cover, a water collection center tube, and a fine filter filter material. The filter material is wrapped on the outside of the water collection center pipe and forms a wastewater channel with the inner side of the filter bottle. The outer side of the fine filter filter material cover and the inner side of the front bottom cover form a wastewater channel 2, and the wastewater channel 1 and the wastewater channel 2 form a through Waste water channel, the inner side of the fine filter filter material cover and the outer side of the rear filter material bottom cover form a living water inlet channel.

Preferably, the raw water inlet communicates with the raw water channel, the domestic water outlet communicates with the domestic water outlet channel, the domestic water inlet communicates with the domestic water inlet channel, and the pure water outlet communicates with the pure water channel. The waste water outlet is connected to the waste water channel.

Preferably, the pre-processing module and the post-filter module can be embedded in the outer jacket and arranged side by side with the fine filter module, and the water collection center pipe of the fine filter module penetrates through the hollow part of the post-filter module.

Preferably, a booster pump or other equipment may be connected to the outside of the living water inlet.

Preferably, the fine filtration filter material may be RO reverse osmosis membrane, nanofiltration membrane or ultrafiltration membrane.

The structure of a composite filter element provided by the present invention has the following beneficial effects: 1. Realizing that a composite filter element can discharge water of different water quality; 2. Increasing the outlet of living water can effectively reduce the use rate of fine filter membranes and effectively extend the use of fine membranes time.

The specific implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

As shown in the figure, the present invention is a composite filter element structure, including a filter bottle 1, a pretreatment module, a fine filter module, a post filter module and a filter bottle cap 10. The filter bottle 1 has a raw water inlet 12 , Domestic water outlet 16, domestic water inlet 15, pure water outlet 14 and waste water outlet 13. The filter bottle 1 is provided with a pretreatment module, a fine filter module and a post filter module. Two filter modules are tightly sealed in the filter bottle 1.

In a specific operation, the pretreatment module is composed of a front end cover 2, a pretreatment filter material 3, and a front bottom cover 4 which are sequentially sleeved. The front end cover 2 is sealed and connected to the inside of the filter bottle 1. The upper and lower ends of the front bottom cover 4 are in sealed connection with the inside of the filter bottle 1, the pretreatment filter material 3 and the inside of the front bottom cover 4 form a gap, and this gap is a living water outlet channel.

In a specific operation, the post filter module is composed of a post end cover 5, a post filter material 6 and a post filter material bottom cover 7. The post filter material 6 has a hollow structure and is placed in the inner cavity of the post filter material bottom cover 7. Sealed connection with the rear end cap 5, a gap is formed between the outer side and the inner side of the rear filter material bottom cover 7, and this gap is a pure water channel. A gap is formed on the upper end surface of the cover 7, the upper outside of the rear filter material bottom cover 7 is sealed with the inner side of the filter bottle 1, and the lower part is sealed with the central tube 11 of the fine filter module collection pipe.

In a specific operation, the fine filter module is composed of a fine filter material cover 8, a water collection center tube 11, and a fine filter filter material 9. In a sealed connection, the fine filter material 9 is wrapped on the outside of the water collection center pipe 11 and forms a gap with the inner side of the filter bottle 1. This gap is the waste water channel 1. The fine filter material 9 is generally RO reverse osmosis membrane, ultrafiltration membrane, Nanofiltration.

In a specific operation, the raw water inlet 12 communicates with the raw water channel formed by the pretreatment filter material 3 and the filter bottle 1, and the living water outlet 16 is connected with the living water channel formed by the other side of the pretreatment filter material 3 and the front bottom cover 4. Through, the living water channel formed by the living water inlet 15 and the fine filtering filter material cover 8 and the rear filter material bottom cover 7 is connected, and the pure water outlet 14 is connected with the pure water formed by the rear filter material 6 and the rear filter material bottom cover 7 The channel is through, and the wastewater channel two formed by the fine filtering filter material cover 8 and the front bottom cover 4 and the wastewater channel formed by the inner side of the filter bottle 1 and the fine filtering filter material 9 form a through wastewater channel and communicate with the wastewater outlet 13.

In a specific operation, the pre-processing module and the post-filter module can be embedded in the outer jacket and arranged side by side with the fine filter module , and the water collection central pipe 11 and the hollow part 17 penetrate therethrough.

In the specific operation, the raw water enters the pretreatment module through the raw water inlet 12. After the raw water passes through the pretreatment filter material 3, filterable impurities such as large particles in the water are filtered, and the generated living water is passed through the pretreatment filter material 3 and the front bottom The living water channel between the covers 4 flows and is finally discharged from the living water outlet 16, and the living water can be used for daily life water.

In the specific operation, the living water flows through the living water inlet 15 from the living water channel formed between the rear filter material bottom cover 7 and the fine filter filter material cover 8 to the fine filter filter material 9 for filtration after being processed by the external booster pump. The filtered purified water flows through the central collection pipe 11 to the hollow part 17 of the post-filter module. The filtered water in the hollow part 17 is filtered through the post-filter material 6, and the finally formed pure water passes through the post-filter material bottom cover 7 and the rear part. The pure water channel in the middle of the filter material 6 is discharged from the pure water outlet 14.

In the specific operation, the waste water produced by the fine filter module flows from the waste water channel formed between the fine filter material 9 and the inner side of the filter bottle 1 to the waste water channel formed between the fine filter material cover 8 and the front bottom cover 4. It is discharged from the waste water outlet 13.

In specific operations, the domestic water outlet 16 can lead water to the outside of the machine for daily water use, or lead the water to a booster pump and other equipment to be processed and then lead to the domestic water inlet 15 to purify pure water.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements and modifications It should also be regarded as the scope of protection of this new model.

1: filter bottle

2: Front end cover

3: Pretreatment filter material

4: Front bottom cover

5: Rear end cover

6: Rear filter material

7: Rear filter bottom cover

8: Fine filter filter cover

9: Fine filter media

10: Filter bottle cap

11: Collecting center pipe

12: Raw water import

13: Wastewater outlet

14: Pure water outlet

15: Domestic water import

16: domestic water outlet

17: Hollow part

Figure 1 is an exploded structure diagram of the new composite filter element.

Figure 2 is a cross-sectional view of the new composite filter element.

Figure 3 is a schematic diagram of the structure of the new water flow direction.

1: filter bottle

2: Front end cover

3: Pretreatment filter material

4: Front bottom cover

5: Rear end cover

6: Rear filter material

7: Rear filter bottom cover

8: Fine filter filter cover

9: Fine filter media

10: Filter bottle cap

11: Collecting center pipe

12: Raw water import

13: Wastewater outlet

14: Pure water outlet

15: Domestic water import

16: domestic water outlet

17: Hollow part

Claims (8)

The structure of a composite filter element includes a filter bottle, a pretreatment module, a fine filter module, a post filter module and a filter bottle cap. The filter bottle is provided with a raw water inlet, a domestic water outlet, a domestic water inlet, and pure water. At the outlet and the waste water outlet, the filter bottle is provided with a pretreatment module, a fine filter module and a post filter module. The filter bottle cap tightly fits and seals the three filter modules in the filter bottle. The raw water passes through the raw water inlet. After the pretreatment module is filtered, it is discharged from the domestic water outlet, and the domestic water enters the fine filter module from the domestic water inlet. The filtered water produced after filtration is filtered by the post-filter module and discharged through the pure water outlet, which is produced during the filtration process The waste water is discharged through the waste water outlet. The structure of the composite filter element according to claim 1, wherein the pretreatment module is composed of a front end cover, a pretreatment filter material and a front bottom cover connected in sequence, and the front end cover is sealed and connected to the inside of the filter bottle, The upper and lower ends of the front bottom cover are sealed to the inside of the filter bottle, the outside of the pretreatment filter material and the inside of the filter bottle form a raw water channel, and the inside of the pretreatment filter material and the outside of the front bottom cover form a living water outlet channel. The structure of the composite filter element according to claim 1, wherein the rear filter module is composed of a rear end cover, a rear filter material and a rear filter material bottom cover, and the rear filter material has a hollow structure and is placed in the rear The inner cavity of the bottom cover of the filter material, the top part is sealed and connected with the rear end cover, the pure water channel is formed between the outer side and the inner side of the rear bottom cover of the filter material, and the rear end cover forms a gap with the upper end surface of the rear bottom cover of the filter material. The upper outside of the bottom cover of the filter material is sealed and connected with the inside of the filter bottle, and the lower part is sealed with the water collection center pipe of the fine filter module. The structure of the composite filter element according to claim 1, wherein the fine filter module is composed of a fine filter filter material cover, a water collection center tube, and a fine filter filter material, and the inner cavity of the fine filter filter material cover accommodates the post filter material module and Sealedly connected with the inside of the filter bottle, the fine filter material is wrapped on the outside of the water collection center pipe, and forms wastewater channel one with the inside of the filter bottle, and the outside of the fine filter material cover and the inside of the front bottom cover form wastewater channel two. The first wastewater channel and the second wastewater channel form a through wastewater channel, and the inner side of the fine filter filter material cover and the outer side of the rear filter material bottom cover form a domestic water inlet channel. The structure of the composite filter element according to claim 1, wherein the raw water inlet is connected to the raw water channel, the domestic water outlet is connected to the domestic water outlet channel, the domestic water inlet is connected to the domestic water inlet channel, and the pure water outlet is connected It is connected to the pure water channel, and the waste water outlet is connected to the waste water channel. The structure of the composite filter element according to claim 1, wherein the pre-processing module and the post filter module can be embedded in the outer jacket and arranged side by side with the fine filter module. The water collection center pipe of the fine filter module and The hollow part of the post filter module penetrates through. The structure of the composite filter element according to claim 1, wherein a booster pump or other equipment can be connected to the outside of the living water inlet. The structure of the composite filter element according to claim 4, wherein the fine filtration filter material can be an RO reverse osmosis membrane or a nanofiltration membrane or an ultrafiltration membrane.

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